Showing what's behind the curtain

Determine if the origin is contained inside a triangle.

Find the first ten digits of the sum of one-hundred 50-digit numbers.

Calculate the total of all the name scores in the file of first names.

Count how many ‘triangle words’ a list of common English words contain.

Solve SuDoku puzzles

Find the largest square number formed by pairs of encoded anagrams.

Find the base/exponent pair in the file has the greatest numerical value